/Engine/Source/Editor/UnrealEd/Classes/Factories/Factory.h
Returns an array of all the additional objects created during the last imports, as some factories may produce more than one object. The internal array is cleared before each import and upon Cleanup().
const [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > & GetAdditionalImportedObjects() const